AutoMeter 52mm GS Transmission Temperature Gauge, 100-250°F, Air-Core (3849) Magnaflow a bypass valve acts as

a bypass valve acts as a recirculation valve

(2) M10 x 20 Bolts

which offers a 77% increase in core volume and a 163% increase in external fin surface area

Experience the epitome of power

AutoMeter 52mm GS Transmission Temperature Gauge, 100-250°F, Air-Core (3849) Magnaflow a bypass valve acts asAutoMeter's air core transmission temperature gauge with 100 250 F range measures transmission fluid temperature in real time, featuring LED lighting and compatibility with 12 and 16 volt electrical systems. Features: Modern green LED through the dial lighting for nighttime visibility 12 and 16 volt compatible for street and race car applications Quick and accurate air core electric instrument readings Includes 1 8" NPT temperature sender Includes 3